03210-0054 ITF 55 BD

 
 
03h 20m 55.24s -00° 55' 30.5" P.A. 59.00 sep 217.3 mag 13.20,16.30 Sp M2.5V+K8V
 
 
Coord 2000 03210-0054 Discov num ITF  55 Comp BD Coord arcsec 2000 03 20 55.24 -00 55 30.5
Date first 1951 Date last 2015 Obs 4
Pa first 59 Pa last 58.8 P.A. Now (θ) 58.8°
Sep first 219.3 Sep last 217.32 Sep. Now (ρ) 217.32"
Mag pri 13.20 Mag sec 16.30 delta mag (ΔM) 3.1 Spectral class M2.5V+K8V (red/yellow-orange)
Pri motion ra +101 Sec motion ra +070
Pri motion dec -020 Sec motion dec -047
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.399
This double is physical.
 
 
03210-0054 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 03 20 58 -00 55 39 LDS 5420 AB 2016 8 280 46.4 14.40 17.10 2.70
Show 03 20 58 -00 55 39 LDS 5420 AC 1998 2 20 93.7 14.40 19.00 4.60
Show 03 20 58 -00 55 39 ITF 55 AD 1999 3 49 185.8 14.05 13.19 0.86
Show 03 20 55 -00 55 30 ITF 55 BD 2015 4 59 217.3 13.20 16.30 3.10 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cetus